/* ============================================================
   萨都管理后台 · 鎏金玄夜（refined dark）
   暖炭黑底 + 鎏金描边(卡片顶缘高光) + 琥珀强调 + 高对比米金文字
   依赖 Bootstrap 5.3 暗色模式（<html data-bs-theme="dark">）。
   ============================================================ */
:root {
  /* —— 鎏金玄夜色板 —— */
  --ink:        #14110c;   /* 夜底（暖炭黑，不发紫） */
  --ink-2:      #1b160f;   /* 略亮炭黑 */
  --gild:       #c9a25c;   /* 鎏金（描边/分隔） */
  --gild-soft:  rgba(201, 162, 92, 0.16);
  --gild-edge:  rgba(246, 225, 170, 0.12);  /* 顶缘高光 */
  --amber:      #f0a83c;   /* 琥珀（主强调） */
  --amber-2:    #d9761f;   /* 深琥珀 */
  --gold-text:  #eccf8a;   /* 米金（标题/强调字） */
  --cream:      #efe6d3;   /* 正文亮米 */
  --txt-2:      #b9ac90;   /* 次文字 */
  --txt-3:      #8c8068;   /* 淡文字 */
  --panel:      rgba(40, 33, 23, 0.66);

  --font-body: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", "Helvetica Neue", sans-serif;
  --font-brand: "Songti SC", "STSong", Georgia, serif;

  /* —— Bootstrap 暗色变量覆盖 —— */
  --bs-body-bg:            var(--ink);
  --bs-body-bg-rgb:        20, 17, 12;
  --bs-body-color:         var(--cream);
  --bs-body-color-rgb:     239, 230, 211;
  --bs-emphasis-color:     var(--gold-text);
  --bs-secondary-color:    var(--txt-2);
  --bs-tertiary-color:     var(--txt-3);
  --bs-tertiary-bg:        rgba(255, 255, 255, 0.03);
  --bs-border-color:       var(--gild-soft);
  --bs-border-color-translucent: var(--gild-soft);
  --bs-primary:            var(--amber);
  --bs-primary-rgb:        240, 168, 60;
  --bs-link-color:         var(--amber);
  --bs-link-color-rgb:     240, 168, 60;
  --bs-link-hover-color:   var(--gold-text);
  --bs-link-hover-color-rgb: 236, 207, 138;
  --bs-font-sans-serif:    var(--font-body);
}

/* ----- 全局底色：单一暖光顶 + 暖炭黑渐变（无紫） ----- */
html, body { min-height: 100%; }
body {
  font-family: var(--font-body);
  color: var(--cream);
  -webkit-font-smoothing: antialiased;
  background-color: var(--ink) !important;
  background-image:
    radial-gradient(860px 440px at 50% -10%, rgba(240, 168, 60, 0.13), transparent 60%),
    linear-gradient(180deg, #1a160f 0%, #110e09 100%);
  background-attachment: fixed;
  background-repeat: no-repeat;
}

/* 标题：克制无衬线 + 米金 + 字距，避免廉价宋体观感 */
h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
  font-weight: 600;
  letter-spacing: 1.5px;
  color: var(--gold-text);
}
.text-secondary { color: var(--txt-2) !important; }
.text-body-tertiary { color: var(--txt-3) !important; }
code { color: var(--amber); }
hr { border-color: var(--gild-soft); }

/* ----- 顶栏 ----- */
.navbar.bg-dark {
  background: linear-gradient(180deg, rgba(28, 23, 15, 0.92), rgba(22, 18, 12, 0.84)) !important;
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(201, 162, 92, 0.22);
  box-shadow: inset 0 1px 0 var(--gild-edge);
}
.navbar-brand {
  display: inline-flex !important;
  align-items: center;
  gap: 12px;
  font-family: var(--font-brand);
  color: var(--gold-text) !important;
  font-size: 19px;
  letter-spacing: 3px;
}
/* 品牌前的鎏金辉光点（克制呼吸） */
.navbar-brand::before {
  content: "";
  width: 16px; height: 16px;
  border-radius: 50%;
  background: radial-gradient(circle at 38% 35%, #ffd27a 0%, var(--amber) 45%, var(--amber-2) 78%, transparent 80%);
  box-shadow: 0 0 10px rgba(240, 168, 60, 0.65);
  animation: sdBreathe 6s ease-in-out infinite alternate;
}
.navbar .dropdown-toggle { color: var(--txt-2) !important; font-size: 14px; }
.dropdown-menu {
  background: #221b12;
  border: 1px solid var(--gild-soft);
  box-shadow: 0 18px 40px -20px rgba(0,0,0,.8);
}
.dropdown-item { color: var(--cream); }
.dropdown-item:hover { background: rgba(240,168,60,.12); color: var(--gold-text); }

/* ----- shell / 侧栏 ----- */
#app-shell { min-height: calc(100vh - 57px); }
aside.sidebar,
aside.sidebar.bg-white {
  width: 232px;
  flex-shrink: 0;
  position: sticky;
  top: 57px;
  align-self: flex-start;
  max-height: calc(100vh - 57px);
  overflow-y: auto;
  padding-bottom: 24px;
  background: linear-gradient(180deg, rgba(31, 25, 17, 0.82), rgba(24, 19, 13, 0.82)) !important;
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-right: 1px solid var(--gild-soft) !important;
}
.sidebar .nav-section {
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--amber);
  opacity: .8;
  padding: 18px 20px 7px;
  text-transform: uppercase;
}
.sidebar .nav-link {
  position: relative;
  color: var(--txt-2);
  border-radius: 0;
  padding: 9px 20px;
  font-size: 14.5px;
  letter-spacing: .6px;
  transition: color .2s, background .2s;
}
.sidebar .nav-link:hover { color: var(--gold-text); background: rgba(246, 225, 170, 0.05); }
.sidebar .nav-link.active {
  color: var(--gold-text);
  font-weight: 600;
  background: linear-gradient(90deg, rgba(240, 168, 60, 0.16), transparent 80%);
}
.sidebar .nav-link.active::before {
  content: "";
  position: absolute; left: 0; top: 6px; bottom: 6px; width: 3px;
  background: linear-gradient(180deg, var(--amber), var(--amber-2));
  box-shadow: 0 0 10px rgba(240, 168, 60, 0.7);
  border-radius: 0 2px 2px 0;
}

/* ----- 卡片：鎏金玻璃，顶缘高光 ----- */
.card {
  background: linear-gradient(180deg, rgba(43, 35, 24, 0.80), rgba(30, 25, 17, 0.84)) !important;
  border: 1px solid var(--gild-soft) !important;
  border-radius: 16px !important;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  box-shadow: inset 0 1px 0 var(--gild-edge), 0 24px 50px -30px rgba(0, 0, 0, 0.85) !important;
  color: var(--cream);
}
.card .text-secondary { color: var(--txt-2) !important; }
.display-6 {
  color: var(--gold-text);
  font-weight: 600;
  letter-spacing: .5px;
  text-shadow: 0 0 22px rgba(240, 168, 60, 0.22);
}

/* ----- 表格 ----- */
.table {
  --bs-table-bg: transparent;
  --bs-table-color: var(--cream);
  --bs-table-border-color: var(--gild-soft);
  --bs-table-hover-bg: rgba(240, 168, 60, 0.09);
  --bs-table-hover-color: var(--gold-text);
  margin-bottom: 0;
}
.table > thead.table-light > tr > th,
.table .table-light th {
  background: transparent !important;
  color: var(--amber) !important;
  border-bottom: 1px solid rgba(201, 162, 92, 0.35) !important;
  font-weight: 600;
  letter-spacing: 1.5px;
  font-size: 12px;
  text-transform: uppercase;
  padding-top: 14px; padding-bottom: 14px;
}
.table > tbody > tr > td { padding-top: 14px; padding-bottom: 14px; }
.table > :not(caption) > * > * { border-bottom-color: var(--gild-soft); }

/* ----- 按钮 ----- */
.btn { letter-spacing: .5px; }
.btn-primary {
  background: linear-gradient(96deg, #ffbe5a, var(--amber-2));
  border: none;
  color: #2a1606;
  font-weight: 700;
  box-shadow: 0 10px 24px -12px rgba(217, 118, 31, 0.85);
}
.btn-primary:hover, .btn-primary:focus, .btn-primary:active {
  background: linear-gradient(96deg, #ffca74, #e8821f);
  color: #2a1606;
  box-shadow: 0 12px 28px -10px rgba(217, 118, 31, 0.95);
}
.btn-outline-primary {
  --bs-btn-color: var(--amber);
  --bs-btn-border-color: rgba(201, 162, 92, 0.45);
  --bs-btn-hover-bg: var(--amber);
  --bs-btn-hover-border-color: var(--amber);
  --bs-btn-hover-color: #2a1606;
  --bs-btn-active-bg: var(--amber);
  --bs-btn-active-color: #2a1606;
}
.btn-outline-secondary {
  --bs-btn-color: var(--txt-2);
  --bs-btn-border-color: var(--gild-soft);
  --bs-btn-hover-bg: rgba(246, 225, 170, 0.10);
  --bs-btn-hover-border-color: rgba(201, 162, 92, 0.4);
  --bs-btn-hover-color: var(--gold-text);
}
.btn-outline-danger { --bs-btn-border-color: rgba(200, 90, 90, .4); }
.btn-secondary {
  --bs-btn-bg: rgba(255,255,255,.07);
  --bs-btn-border-color: var(--gild-soft);
  --bs-btn-color: var(--cream);
  --bs-btn-hover-bg: rgba(255,255,255,.12);
  --bs-btn-hover-color: var(--gold-text);
}
.btn-link { color: var(--txt-2); }

/* ----- 表单 ----- */
.form-label { font-size: 13px; color: var(--txt-2); margin-bottom: 6px; letter-spacing: .5px; }
.form-control, .form-select {
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid var(--gild-soft);
  color: var(--cream);
  border-radius: 10px;
}
.form-control::placeholder { color: var(--txt-3); }
.form-control:focus, .form-select:focus {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--amber);
  box-shadow: 0 0 0 .2rem rgba(240, 168, 60, 0.20);
  color: var(--gold-text);
}
.input-group-text { background: rgba(255,255,255,.05); border-color: var(--gild-soft); color: var(--txt-2); }
.form-select option { background: #1f1810; color: var(--cream); }

/* ----- 弹窗 ----- */
.modal-content {
  background: linear-gradient(180deg, #271f15, #1c1710);
  border: 1px solid rgba(201, 162, 92, 0.32);
  border-radius: 18px;
  box-shadow: inset 0 1px 0 var(--gild-edge), 0 40px 80px -30px rgba(0,0,0,.9);
}
.modal-header, .modal-footer { border-color: var(--gild-soft); }
.modal-title { color: var(--gold-text); }

/* ----- 徽章 ----- */
.badge { font-weight: 600; letter-spacing: .5px; }
.badge.text-bg-success { background: rgba(120, 190, 120, 0.20) !important; color: #b7e0b7 !important; }
.badge.text-bg-secondary { background: rgba(255,255,255,.10) !important; color: var(--txt-2) !important; }
.badge.text-bg-info { background: rgba(120, 170, 255, 0.20) !important; color: #c2d4ff !important; }
.badge.text-bg-warning { background: rgba(240, 168, 60, 0.20) !important; color: var(--amber) !important; }
.badge.text-bg-danger { background: rgba(220, 110, 110, 0.20) !important; color: #efb1b1 !important; }

/* ----- 进度条 / 滚动条 ----- */
.progress { background: rgba(255,255,255,.07); }
.progress-bar { background: linear-gradient(90deg, var(--amber), var(--amber-2)); }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: rgba(201, 162, 92, 0.20); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: rgba(201, 162, 92, 0.35); }

/* ----- 移动端侧栏 ----- */
@media (max-width: 767.98px) {
  aside.sidebar, aside.sidebar.bg-white {
    position: fixed; top: 57px; left: 0; bottom: 0; z-index: 1040;
    transform: translateX(-100%); transition: transform .25s ease;
    box-shadow: 4px 0 24px rgba(0, 0, 0, .55);
  }
  aside.sidebar.open { transform: translateX(0); }
}

/* ============================================================
   登录页
   ============================================================ */
.auth-page { min-height: 100vh; position: relative; overflow: hidden; }
.auth-page::before {
  content: "";
  position: absolute;
  top: 42%; left: 50%;
  width: 560px; height: 560px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(240, 168, 60, 0.26) 0%, rgba(217, 118, 31, 0.10) 42%, transparent 66%);
  animation: sdGlow 7s ease-in-out infinite alternate;
  pointer-events: none;
}
.auth-card {
  position: relative;
  z-index: 1;
  width: 380px;
  max-width: 90vw;
  padding: 44px 38px;
  background: linear-gradient(180deg, rgba(43, 35, 24, 0.86), rgba(28, 23, 16, 0.9));
  border: 1px solid rgba(201, 162, 92, 0.32);
  border-radius: 22px;
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  box-shadow: inset 0 1px 0 var(--gild-edge), 0 40px 90px -34px rgba(0, 0, 0, 0.85);
}
.auth-logo {
  display: block;
  width: 88px;
  margin: 0 auto 16px;
  filter: drop-shadow(0 0 18px rgba(240, 168, 60, 0.45));
  animation: sdBreathe 6s ease-in-out infinite alternate;
}
.auth-sub { text-align: center; color: var(--amber); font-size: 13px; letter-spacing: 6px; margin-bottom: 28px; opacity: .9; }

/* ----- 呼吸辉光 ----- */
@keyframes sdBreathe { 0% { transform: scale(0.94); opacity: .8; } 100% { transform: scale(1.06); opacity: 1; } }
@keyframes sdGlow { 0% { transform: translate(-50%, -50%) scale(0.9); opacity: .6; } 100% { transform: translate(-50%, -50%) scale(1.08); opacity: 1; } }
